1052819556 has 24 divisors (see below), whose sum is σ = 2480904384. Its totient is φ = 347464800.

The previous prime is 1052819543. The next prime is 1052819569. The reversal of 1052819556 is 6559182501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1052819543) and next prime (1052819569).

It is a super-2 number, since 2×1052819556² = 2216858034992074272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433120 + ... + 435543.

It is an arithmetic number, because the mean of its divisors is an integer number (103371016).

Almost surely, 2^1052819556 is an apocalyptic number.

It is an amenable number.

1052819556 is an abundant number, since it is smaller than the sum of its proper divisors (1428084828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052819556 is a wasteful number, since it uses less digits than its factorization.

1052819556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868771 (or 868769 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The square root of 1052819556 is about 32447.1810177710. The cubic root of 1052819556 is about 1017.3053171669.

The spelling of 1052819556 in words is "one billion, fifty-two million, eight hundred nineteen thousand, five hundred fifty-six".